H8064 - Strong's Hebrew Lexicon Number

שׁמה שׁמים
shâmayim shâmeh
shaw-mah'-yim,shaw-meh'
The second form being dual of an unused singular; from an unused root meaning to belofty; the sky (as aloft; the dual perhaps alluding to the visible arch in which the clouds move, as well as to the higher ether where the celestial bodies revolve)KJV Usage: air, X astrologer, heaven (-s).